參數(shù)資料
型號： XRT75R03D
廠商： Exar Corporation
英文描述： THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
中文描述： Three頻道E3/DS3/STS-1線路接口單元與SONET DESYNCRONIZER
文件頁數(shù)： 23/134頁
文件大小： 803K
代理商： XRT75R03D
XRT75R03D
REV. 1.0.2
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCRONIZER
18
GENERAL CONTROL PINS
P
IN
#
S
IGNAL
N
AME
T
YPE
D
ESCRIPTION
65
SR/DR
I
Single-Rail/Dual-Rail Select Input - Chip Level
This input pin is used to configure the XRT75R03D to operate in either the Sin-
gle-Rail or Dual-Rail Mode.
If the XRT75R03D is configured to operate in the Single-Rail Mode, then all of
the following will happen.
All of the B3ZS/HDB3 Encoder and Decoder blocks in the XRT75R03D will be
enabled.
The Transmit Section of each channel will accept all of the outbound data
from the System-side Equipment via the TPDATA_n (or TxDATA_n) input pin.
The Receive Section of each channel will output all of the recovered data to
the System-side Equipment via the RPOS output pin.
Each of the RNEG/LCV output pins will now function as the LCV (Line Code
Violation or Excessive Zero Event) indicator output pin.
If the user configures the device to operate in the Dual-Rail Mode, then all of the
following will happen.
All of the B3ZS/HDB3 Encoder and Decoder blocks in the XRT75R03D will be
disabled.·
The Transmit Section of each channel will accept positive-polarity data via the
TPDATA_n input pin, and negative-polarity data via the TNDATA_n input pin.
The Receive Section of each channel will pulse the RPOS_n output pin "High"
for one period of RCLK_n for each time a positive-polarity pulse is received via
the RTIP_n/RRING_n input pins
Likewise, the Receive Section of each channel will also pulse the RNEG_n
output pin "High" for one period of RCLK_n for each time a negative-polarity
pulse is received via the RTIP_n/RRING_n input pins.
"Low" - Configures the XRT75R03D to operate in the Dual-Rail Mode.
"High" - Configures the XRT75R03D to operate in the Single-Rail Mode.
N
OTES
:
1.
This input pin is ignored and should be tied to GND if the XRT75R03D
has been configured to operate in the Host Mode.
2.
This pin is internally pulled "Low".
76
94
85
E3_0
E3_1
E3_2
I
E3 Mode Select Input - Channel 0
E3 Mode Select Input - Channel1
E3 Mode Select Input - Channel 2
This input pin, along with the corresponding STS-1/DS3_n input pin is used the
to configure a given channel within the XRT75R03D into either the DS3, E3 or
STS-1 Modes.
"High" - Configures the corresponding channel to operate in the E3 Mode.
"Low" - Configures the corresponding channel to operate in either the DS3 or
STS-1 Modes, depending upon the setting of the corresponding STS-1/DS3_n
input pin.
N
OTES
:
1.
This input pin is ignored and should be tied to GND if the XRT75R03D
has been configured to operate in the Host Mode.
2.
This input pin is internally pulled low.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75R03D_06 制造商:EXAR 制造商全稱:EXAR 功能描述:EXAR DATA SHEET FORMAT TEMPLATES
XRT75R03DES 功能描述:時鐘合成器/抖動清除器 3CH T3/E3/STS1LIU+D 3.3V W/REDUNDANCY RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75R03DIV 功能描述:時鐘合成器/抖動清除器 3CHNNEL E3/DS3/STS 1 JITTER ATTENUATOR RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75R03DIV-F 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 3-Ch E3/DS3/STS-1 RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT75R03DIVTR 功能描述:時鐘合成器/抖動清除器 3CHNNEL E3/DS3/STS 1 JITTER ATTENUATOR RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
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